Ibrahim al-Nakha'i (may Allah have mercy on him) said: "If fornication is proven against a woman before consummation, then the hadd punishment will be carried out on her, the marriage will be annulled and separation will be enforced between the two, and the woman will not receive any dowry."
Hadith Referenceسنن سعید بن منصور / كتاب النكاح / 2035
Hadith Takhrij«أخرجه سعيد بن منصور فى «سننه» ترقيم الدرالسلفية برقم:، 858، 860، 868»